Unable to pull image from mcr.microsoft.com

[jozkee]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1108670
Build error leg or test failing:

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "Unable to pull image mcr.microsoft.com/dotnet-buildtools/prereqs",
  "BuildRetry": true,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1108670
Result validation: ⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
Validation performed at: 8/1/2025 8:10:46 AM UTC

Report

Build	Repository	Test	Pull Request
1463614	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Threading.RateLimiting.Tests.WorkItemExecution	#127582
1463490	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.DebugLevelTests.WorkItemExecution	#129391
1463462	dotnet/runtime	System.Composition.Hosting.Tests.WorkItemExecution	#129389
1463405	dotnet/runtime	Microsoft.Extensions.Diagnostics.Abstractions.Tests.WorkItemExecution	#129380
1463276	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1463242	dotnet/runtime	System.Text.Encoding.CodePages.Tests.WorkItemExecution
1463248	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution	#129336
1463235	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Security.Claims.Tests.WorkItemExecution
1463201	dotnet/runtime	System.Threading.Tasks.Extensions.Tests.WorkItemExecution	#129380
1463166	dotnet/runtime	Microsoft.Extensions.Configuration.FileExtensions.Tests.WorkItemExecution	#129279
1462994	dotnet/runtime	threading_group2.MergedTestAssembly.0.1.WorkItemExecution	#129299
1463115	dotnet/runtime	System.Xml.Linq.SDMSample.Tests.WorkItemExecution	#129377
1463092	dotnet/runtime	System.Net.WebHeaderCollection.Tests.WorkItemExecution	#129374
1463058	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-11.WorkItemExecution	#129322
1462919	dotnet/runtime	Regression_do.WorkItemExecution	#129185
1462917	dotnet/runtime	readytorun.WorkItemExecution
1462902	dotnet/runtime	threading_group1.WorkItemExecution	#129365
1460833	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Options.SourceGeneration.Unit.Tests.WorkItemExecution	#127582
1462834	dotnet/runtime	WasmTestOnChrome-MONO-ST-IcuAppLocal.Tests.WorkItemExecution	#129259
1462759	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution	#129197
1462675	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-6.WorkItemExecution	#129362
1462616	dotnet/runtime	System.Text.Json.SourceGeneration.Roslyn3.11.Unit.Tests.WorkItemExecution
1462530	dotnet/runtime	Interop.WorkItemExecution
1462523	dotnet/runtime	WBT-NoWorkload-CLR-ST-Wasm.Build.Tests.Blazor.AppsettingsTests.WorkItemExecution	#129224
1462433	dotnet/runtime	Regression_o_3.WorkItemExecution	#129201
1462367	dotnet/runtime	System.Threading.Tasks.Extensions.Tests.WorkItemExecution	#129351
1462287	dotnet/runtime	JSImportGenerator.Unit.Tests.WorkItemExecution	#128384
1462206	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution
1462003	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.RebuildTests.WorkItemExecution	#129067
1462045	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution	#129333
1462035	dotnet/runtime	Regression_PdbOnly_r_1.WorkItemExecution
1461742	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Runtime.CompilerServices.VisualC.Tests.WorkItemExecution	#129002
1461746	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.FileProviders.Physical.Tests.WorkItemExecution	#129332
1461635	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Runtime.Extensions.Tests.WorkItemExecution	#129330
1461558	dotnet/runtime	System.Xml.XmlSerializer.ReflectionOnly.Tests.WorkItemExecution	#129328
1461350	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#129299
1460989	dotnet/runtime	System.IO.FileSystem.Manual.Tests.WorkItemExecution
2997883	dotnet-runtime	System.Runtime.InteropServices.Tests.StructureToPtrTests.StructureToPtr_ByValTStr_MultiByte_Overflow	#61948
1460871	dotnet/runtime	System.Net.HttpListener.Tests.WorkItemExecution	#129226
1460701	dotnet/runtime	Interop.WorkItemExecution	#129034
1460390	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#128420
1460342	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.NativeRebuild.Tests.ReferenceNewAssemblyRebuildTest.WorkItemExecution	#129067
1460273	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution
1460148	dotnet/runtime	System.Text.Json.SourceGeneration.Roslyn4.4.Tests.WorkItemExecution	#129082
1460014	dotnet/runtime	System.ComponentModel.Tests.WorkItemExecution	#129273
1459963	dotnet/runtime	System.Net.NameResolution.Tests.DnsResolverTest.DnsResolver_PreCanceledToken_ReturnsCanceled	#129302
1459800	dotnet/runtime	System.Formats.Asn1.Tests.WorkItemExecution	#129145
1458751	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution	#129197
1459622	dotnet/runtime	profiler.multiple.WorkItemExecution
1459624	dotnet/runtime	Wasi.Build.Tests.WasiTemplateTests.ConsolePublishAndRunForSingleFileBundle
1459055	dotnet/runtime	System.Threading.AccessControl.Tests.WorkItemExecution	#129279
1459033	dotnet/runtime	Wasm.Build.Tests.Blazor.AssetCachingTests.BlazorApp_BasedOnFingerprinting_LoadsWasmAssetsFromCache	#129278
1459298	dotnet/runtime	Wasm.Build.Tests.Blazor.AssetCachingTests.BlazorApp_BasedOnFingerprinting_LoadsWasmAssetsFromCache	#127087
1459323	dotnet/runtime	GC-features.MergedTestAssembly.0.1.WorkItemExecution	#125437
1458413	dotnet/runtime	WBT-NoWorkload-CLR-ST-Wasm.Build.Tests.Blazor.AppsettingsTests.WorkItemExecution	#129080
1458923	dotnet/runtime	System.Collections.Specialized.Tests.WorkItemExecution	#129273
1458859	dotnet/runtime	GC-features.WorkItemExecution	#129271
1458781	dotnet/runtime	HardwareIntrinsics_General_ro.WorkItemExecution
1458561	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-19.WorkItemExecution	#129059
1458554	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch--1.WorkItemExecution	#129259
1458569	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-6.WorkItemExecution	#126845
1458627	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Threading.Tests.WorkItemExecution	#126720
1458355	dotnet/runtime	Microsoft.Extensions.DependencyInjection.ExternalContainers.Tests.WorkItemExecution	#129189
1458217	dotnet/runtime	System.Text.Json.Tests.WorkItemExecution	#129043
1458255	dotnet/runtime	Workloads-Wasm.Build.Templates.Tests.NativeBuildTests.WorkItemExecution	#129250
2997168	dotnet-runtime	System.Runtime.InteropServices.Tests.StructureToPtrTests.StructureToPtr_ByValTStr_MultiByte_Overflow	#62020
1456366	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.AppsettingsTests.WorkItemExecution	#129183
1457977	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Diagnostics.StackTrace.Tests.WorkItemExecution	#129238
1457861	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#128365
1457679	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-1.WorkItemExecution	#129225
2996940	dotnet-runtime	Wasi.Build.Tests.WasiTemplateTests.ConsolePublishAndRunForSingleFileBundle	#62010
1457433	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-14.WorkItemExecution	#129043
1457500	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1457413	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-0.WorkItemExecution	#129225
1457467	dotnet/runtime	Regression_PdbOnly_r_3.WorkItemExecution	#125436
1457236	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Runtime.Loader.Tests.WorkItemExecution	#129185
1457121	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.PInvokeTableGeneratorTests.WorkItemExecution	#128360
1457118	dotnet/runtime	Wasm.Build.Tests.Blazor.AssetCachingTests.BlazorApp_BasedOnFingerprinting_LoadsWasmAssetsFromCache	#129118
1457018	dotnet/runtime	CdacXPlatDumpTests_host_linux_x64_dumps_windows_arm64.WorkItemExecution
1457045	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Collections.NonGeneric.Tests.WorkItemExecution	#129185
1456901	dotnet/runtime	reflection.WorkItemExecution	#129203
1456896	dotnet/runtime	Regression_PdbOnly_r_2.WorkItemExecution	#129202
1456839	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution	#129197
1456682	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution	#128869
1456648	dotnet/runtime	System.Text.Json.SourceGeneration.Roslyn3.11.Tests.WorkItemExecution	#129194
1456506	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Runtime.InteropServices.Tests.WorkItemExecution	#129043
1456365	dotnet/runtime	WasmTestOnChrome-ST-System.Text.RegularExpressions.Tests.WorkItemExecution
1456271	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-3.WorkItemExecution	#129102
1456245	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#129178
2995999	dotnet-runtime	System.Runtime.InteropServices.Tests.StructureToPtrTests.StructureToPtr_ByValTStr_MultiByte_Overflow	#61947
1456130	dotnet/runtime	Wasm.Build.Tests.IcuTests.FullIcuFromRuntimePackWithInvariant	#129173
1455670	dotnet/runtime	Workloads-NoWebcil-Wasm.Build.Tests.InvariantGlobalizationTests.WorkItemExecution	#128218
1455931	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Reflection.MetadataLoadContext.Tests.WorkItemExecution	#129166
1455976	dotnet/runtime	System.IO.FileSystem.DisabledFileLocking.Tests.WorkItemExecution	#129121
1454308	dotnet/runtime	Wasi.Build.Tests.WasiTemplateTests.ConsolePublishAndRunForSingleFileBundle	#126394
1455568	dotnet/runtime	System.Security.Cryptography.Pkcs.Tests.SignedCmsTests.CreateSignature_RsaPss	#119255
1455515	dotnet/runtime	Microsoft.Bcl.Numerics.Tests.WorkItemExecution	#129125
1455392	dotnet/runtime	System.Linq.Parallel.Tests.WorkItemExecution	#129151
1455362	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.DependencyInjection.ExternalContainers.Tests.WorkItemExecution	#128869
1454997	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-6.WorkItemExecution	#127087
Displaying 100 of 266 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
13	116	266

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[jozkee]

This is from a preview6 run from Jun 20th, it might've been fixed in main already.

[lewing]

@akoeplinger do we know what is causing these in general?

[akoeplinger]

hm no, this looks like an infrastructure/dnceng issue to me

[AndriySvyryd]

We are hitting a similar one: Unable to pull image mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-helix-sqlserver-amd64 in efcore
https://dev.azure.com/dnceng-public/public/_build/results?buildId=1106421&view=logs&j=f95328f7-07f5-5106-5c2a-5dc7069f305c&t=e2f3026d-346a-509b-3549-57236476a9cb
https://dev.azure.com/dnceng-public/public/_build/results?buildId=1108065&view=logs&j=f95328f7-07f5-5106-5c2a-5dc7069f305c&t=e2f3026d-346a-509b-3549-57236476a9cb